Jordan says: "He proposed with a sonic screwdriver and River Song's Tardis journal, filled with the story of our five-year relationship, including photos, illustrations and ticket stubs. The last page asked: 'WILL YOU MARRY ME?'"
Not that moon. The other, romantic one.
One one hand, this is a cute idea. On the other hand... DON'T DO IT, HE'S BANKRUPT AND MARRYING YOU FOR YOUR MONEY!
Waiting in line for the photo after the ride is gonna be a special kind of soggy torture for him.
To make us all jelly over their romance?
... Well obviously they weren't concerned with just "getting to the other side!"